type of fish, c. 1500 (early 13c. as a surname), from grund "ground" (see ground (n.)) + -el (2). Compare Old English gryndle "herring;" grundling, type of fish, literally "groundling."
gruff
gruffly
grumble
grump
grumpy
grundel
grundyism
grunge
grungy
grunion
grunt
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